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1. TcRnCannotDeriveInstance :: Class -> [Type] -> !Maybe (DerivStrategy GhcTc) -> UsingGeneralizedNewtypeDeriving -> DeriveInstanceErrReason -> TcRnMessage

   ghc	GHC.Tc.Errors.Types

   TcRnCannotDeriveInstance is an error that occurs every time a typeclass instance can't be derived. The DeriveInstanceErrReason will contain the specific reason this error arose. Example(s): None. Test cases: genericsT10604T10604_no_PolyKinds derivingshould_faildrvfail009 derivingshould_faildrvfail-functor2 derivingshould_failT10598_fail3 derivingshould_failderiving-via-fail2 derivingshould_failderiving-via-fail derivingshould_failT16181

2. YesDeriveAnyClassEnabled :: DeriveAnyClassEnabled

   ghc	GHC.Tc.Errors.Types

   No documentation available.

3. ib_derived :: InstBindings a -> Bool

   ghc	GHC.Tc.Utils.Env

   No documentation available.

4. mkDerivedInternalName :: (OccName -> OccName) -> Unique -> Name -> Name

   ghc	GHC.Types.Name

   No documentation available.

5. isDerivedOccName :: OccName -> Bool

   ghc	GHC.Types.Name.Occurrence

   Test for definitions internally generated by GHC. This predicate is used to suppress printing of internal definitions in some debug prints

6. unsafeDerive :: Coercible n o => (o -> n) -> t o :- t n

   constraints	Data.Constraint.Unsafe

   Coerce a dictionary unsafely from one type to a newtype of that type

7. unsafeUnderive :: Coercible n o => (o -> n) -> t n :- t o

   constraints	Data.Constraint.Unsafe

   Coerce a dictionary unsafely from a newtype of a type to the base type

8. DVKeyDerived :: Set [Text] -> DVKey

   haskell-gi-base	Data.GI.Base.DynVal

   Value derived from a direct key, by acting with the functor or applicative instances.

9. setEqDerived :: Bool -> RouteOpts -> RouteOpts

   yesod-core	Yesod.Core.Dispatch

   No documentation available.

10. setReadDerived :: Bool -> RouteOpts -> RouteOpts

    yesod-core	Yesod.Core.Dispatch

    No documentation available.

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